Kummakivi is a massive balancing rock in Ruokolahti, Finland, known for its peculiar position on a small bedrock base that makes it look like it's defying gravity. This 23-foot boulder, estimated to weigh up to 500 tons, has been a natural wonder since the last Ice Age around 11,000-12,000 years ago. Despite its size and age, Kummakivi remains a hidden gem in the forest, attracting curious tourists and hikers who marvel at its mysterious presence.